The F2 works with any standard cage mounted on the down tube. This also allows for simple mounting and cleaning. The F2 can be used by triathletes, mountain bikers, as well as recreational riders. The F2 is the utility player of the Speedfil family.
- Works with any Specialized thread compatible bottle (21 and 24 oz. sizes)
- Easily refillable on the fly
- Exclusive dual splash resistant design
- Bite valve holds fluid at the ready
- Easy to mount and easy to clean
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